At a remote cabin amid-st heavy snowfall, a brutal man named Jonas confronts his lover about their illegitimate son who leaves the house and builds a snowman. The woman threatens to tell Jonas' family about the child, and Jonas leaves angrily in his car. The woman and her son pursue him, but lose him in the snow. She lets go of the steering wheel, causing the car to drive off the road onto a frozen lake. The boy manages to escape from the sinking car, but the woman stays inside in an apparent suicide..